<template>
  <div class="dashboard-container">
    <div class="app-container">
      <!-- 靠右的按钮 -->
      <page-tools>
        <template v-slot:after>
          <el-button type="primary" size="small" @click="addPermisson('0',1)">添加权限</el-button>
        </template>
      </page-tools>
      <!-- 表格 -->
      <el-table :data="list" border="" row-key="id">
        <el-table-column label="名称" prop="name" />
        <el-table-column label="标识" prop="code" />
        <el-table-column label="描述" prop="description" />
        <el-table-column label="操作">
          <template slot-scope="{ row }">
            <el-button v-if="row.type === 1" type="text" @click="addPermisson(row.id, 2)">添加</el-button>
            <el-button type="text" @click="editPermission(row.id)">编辑</el-button>
            <el-button type="text" @click="delPermission(row)"> 删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <!-- 新增 / 修改 权限 -->
    <el-dialog :title="showText" :visible.sync="showDialog" width="50%" @close="btnCancel">
      <!-- 表单 -->
      <el-form ref="perForm" :model="formData" :rules="rules" label-width="120px">
        <el-form-item label="权限名称" prop="name">
          <el-input v-model="formData.name" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限标识" prop="code">
          <el-input v-model="formData.code" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" style="width:90%" />
        </el-form-item>
        <el-form-item label="开启">
          <el-switch
            v-model="formData.enVisible"
            active-value="1"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>
      <span slot="footer">
        <el-button size="small" @click="btnCancel">取消</el-button>
        <el-button size="small" type="primary" @click="btnOK">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { getPermissionList, addPermission, updatePermission, delPermission, getPermissionDetail } from '@/api/permisson'
import { tranListToTreeData } from '@/utils'
export default {
  data() {
    return {
      list: [],
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 开启
      },
      rules: {
        name: [{ required: true, message: '权限名称不能为空', trigger: 'blur' }],
        code: [{ required: true, message: '权限标识不能为空', trigger: 'blur' }]
      },
      showDialog: false
    }
  },
  computed: {
    showText() {
      return this.formData.id ? '编辑' : '新增'
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    async  getPermissionList() {
      this.list = tranListToTreeData(await getPermissionList(), '0')
    },
    // 打开弹窗
    addPermisson(pid, type) {
      this.formData.pid = pid
      this.formData.type = type
      this.showDialog = true
    },
    // 添加按钮
    async btnOK() {
      try {
      //  主动校验
        await this.$refs.perForm.validate()
        // 发请求 （新增，还是修改）
        if (this.formData.id) {
        // 修改
          await updatePermission(this.formData)
        } else {
          // 添加
          await addPermission(this.formData)
        }
        // 成功提示
        this.$message.success('操作成功')
        // 拉取列表
        this.getPermissionList()
        // 重置
        this.showDialog = false
      } catch (error) {
        console.log(error)
      }
    },
    // 取消按钮 弹窗
    btnCancel() {
      this.formData = {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 开启
      }
      this.showDialog = false
    },
    // 删除按钮
    async delPermission(row) {
      if (row.children && row.children.length) return this.$message.warning('本权限下有子权限')
      try {
        await this.$confirm('确认删除吗?')
        await delPermission(row.id)
        this.getPermissionList()
        this.$message.success('删除成功')
      } catch (error) {
        console.log(error)
      }
    },
    // 编辑按钮
    async editPermission(id) {
      this.formData = await getPermissionDetail(id)
      this.showDialog = true
    }
  }

}
</script>

<style lang="scss" scoped>

</style>
